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Instrumentation Interview Questions
Questions Answers Views Company eMail

How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

 3 5245

What is megering????

 2 13932

waht is difference between pressure transmitter and transuducer

Gasco,

4 6342

There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

 1462

what is input and output cards of plc needs to be hot swappable mean

 1 4799

why magnetic flow meter is not used in thermel power plant operation

JK Paper,

2 5669

How does milli volt is created in themocouple?

Jaypee,

2 5136

How does pyrometer works?

 1 6340

Why we are using temperature and pressure as a reference when measuring flow of steam?

Shell,

4 7747

What is Process portal A(PPA)?

ABB,

1 4988

How Many Slave Can be used in one slave ?

 2 4407

what do you mean by cathodic protection?

Saipem,

1 4971

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

Accer, Reliance,

1724

what is the difference between transmitter and smart transmitter ?

Aditya Birla,

4 7701

what is loop folder?

Bapco Bahrain Petroleum Company, Hyundai,

1 24601

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Un-Answered Questions { Instrumentation }

please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...

1520

what is the minimum power (P=VI)to produce a spark?

1559

while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?

1349

how to check earthing,what is minum ohms for proper earthing

1514

Programmable Logic control.

1520




how does we calibrate a square root flow transmitter ,give an example and explain it step by step like range calculation , calibration hook up series connection , zero check , and how to apply pressure , and if not geting proportional output then what should we do ?

5231

give me the formula for analog to digital converter and also d to a converter

2365

Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

1691

need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate

895

WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?

3038

Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell

746

can we copy the software from a transmitter using hht(hart 275) ?

1637

Draw a P& ID showing – orifice flange, plate, dp transmitter, isolation & bypass valves and tubing.

1507

Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

933

i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

2560

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